612450506 has 8 divisors (see below), whose sum is σ = 920923140. Its totient is φ = 305476128.

The previous prime is 612450451. The next prime is 612450521. The reversal of 612450506 is 605054216.

It can be written as a sum of positive squares in 2 ways, for example, as 452200225 + 160250281 = 21265^2 + 12659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373541 + ... + 375176.

Almost surely, 2^612450506 is an apocalyptic number.

612450506 is a deficient number, since it is larger than the sum of its proper divisors (308472634).

612450506 is a wasteful number, since it uses less digits than its factorization.

612450506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749128.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 612450506 is about 24747.7373915273. The cubic root of 612450506 is about 849.2267505328.

The spelling of 612450506 in words is "six hundred twelve million, four hundred fifty thousand, five hundred six".